一个人只要能够生活就感到满足的话，他就会生活的很愉快。我们愈不知道忍受，我们愈感到痛苦。

最有趣的艺术是不给你所有答案的艺术。

I say luck is when an opportunity comes along and you're prepared for it.

与在现实世界中实现客观理性行为所需解决的问题规模相比，人类心智制定和解决复杂问题的能力非常有限。

History is not just about kings and battles—it's about the people who lived through it.

抽象是数学的关键。